{"product_id":"half-bridge-with-ultra-precise-current-sense-feedback-for-solenoid","title":"Half-Bridge with Ultra-Precise Current Sense Feedback for Solenoid","description":"\u003cp\u003eA Half-bridge converter is widely used in applications such as DC-DC converters, switch mode power supplies, inverters, motor drivers, resistive loads, and solenoid drivers. This project consists of an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIR2104\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHalf-bridge driver chip, 2 x DPAK MOSFETS, and an\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003eINA293\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprecision current sense amplifier. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIR2104\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a half-bridge, high voltage, high-speed power MOSFET and IGBT driver with dependent high and low side referenced output channels. It drives high and low-side\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eN-channel\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMOSFETs, INA293 chip measures the load current across the shunt resistor connected to the output.\u003c\/p\u003e\n\u003cp\u003eThe project is mainly developed for solenoid applications that need current feedback. The circuit can handle load currents up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand can handle higher currents with the help of forced air.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIRFR120\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMOSFETs are used, but you can use\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFDD8876\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMOSFETs for higher currents. Shunt Resistor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.01-ohm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eused to sense the load current, INA293 has Gain 20V\/V.\u003c\/p\u003e\n\u003ch3\u003eInputs and Output\u003c\/h3\u003e\n\u003cp\u003eThe circuit requires 2 x signals,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHI\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e(PWM) and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSD\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Shutdown). SD\/LI= High Output enables, LOW= Disable, both inputs are 3.3V, 5V and 15V logic compatible.\u003c\/p\u003e\n\u003cp\u003eCurrent Sense Output: 0.2V\/A, 2A = 0.4V (400mV)\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupply Load 24V DC (VDD)\u003c\/li\u003e\n\u003cli\u003eSupply Gate Driver 12V-15V (VCC)\u003c\/li\u003e\n\u003cli\u003eSupply Current Sensor Amplifier INA293 (VI) 5V DC\u003c\/li\u003e\n\u003cli\u003eCurrent Feedback Output 0.2V\/A\u003c\/li\u003e\n\u003cli\u003eInput Signal Logic Level 3.3V, 5V and 15V.\u003c\/li\u003e\n\u003cli\u003eOperating Frequency Up to 20Khz\u003c\/li\u003e\n\u003cli\u003eTwo Control Signals PWM and Shutdown\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 34.93 x 29.37 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46900377714860,"sku":"G113","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G113.jpg?v=1786190883","url":"https:\/\/dotfry.com\/products\/half-bridge-with-ultra-precise-current-sense-feedback-for-solenoid","provider":"dotfry","version":"1.0","type":"link"}